1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
|
/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/* global includes */
#include <stdlib.h>
#include <math.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#endif
#include "MEM_guardedalloc.h"
#include "BLO_readfile.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_threads.h"
#include "DNA_world_types.h"
#include "DNA_camera_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"
#include "DNA_lamp_types.h"
#include "DNA_space_types.h"
#include "DNA_view3d_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_icons.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_texture.h"
#include "BKE_material.h"
#include "BKE_node.h"
#include "BKE_world.h"
#include "BKE_texture.h"
#include "BKE_utildefines.h"
#include "BKE_brush.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "PIL_time.h"
#include "RE_pipeline.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_datafiles.h"
#include "ED_render.h"
#include "ED_view3d.h"
#include "UI_interface.h"
#include "render_intern.h"
#define PR_XMIN 10
#define PR_YMIN 5
#define PR_XMAX 200
#define PR_YMAX 195
/* XXX */
static int qtest() {return 0;}
/* XXX */
ImBuf* get_brush_icon(Brush *brush)
{
void *icon_data[]= {
0,
&datatoc_blob_png,
&datatoc_clay_png,
&datatoc_crease_png,
&datatoc_draw_png,
&datatoc_fill_png,
&datatoc_flatten_png,
&datatoc_grab_png,
&datatoc_inflate_png,
&datatoc_layer_png,
&datatoc_nudge_png,
&datatoc_pinch_png,
&datatoc_scrape_png,
&datatoc_smooth_png,
&datatoc_snake_hook_png,
&datatoc_thumb_png,
&datatoc_twist_png,
&datatoc_add_png,
&datatoc_blur_png,
&datatoc_clone_png,
&datatoc_darken_png,
&datatoc_lighten_png,
&datatoc_mix_png,
&datatoc_multiply_png,
&datatoc_smear_png,
&datatoc_soften_png,
&datatoc_subtract_png,
&datatoc_texdraw_png,
&datatoc_vertexdraw_png,
};
size_t icon_size[]= {
0,
datatoc_blob_png_size,
datatoc_clay_png_size,
datatoc_crease_png_size,
datatoc_draw_png_size,
datatoc_fill_png_size,
datatoc_flatten_png_size,
datatoc_grab_png_size,
datatoc_inflate_png_size,
datatoc_layer_png_size,
datatoc_nudge_png_size,
datatoc_pinch_png_size,
datatoc_scrape_png_size,
datatoc_smooth_png_size,
datatoc_snake_hook_png_size,
datatoc_thumb_png_size,
datatoc_twist_png_size,
datatoc_add_png_size,
datatoc_blur_png_size,
datatoc_clone_png_size,
datatoc_darken_png_size,
datatoc_lighten_png_size,
datatoc_mix_png_size,
datatoc_multiply_png_size,
datatoc_smear_png_size,
datatoc_soften_png_size,
datatoc_subtract_png_size,
datatoc_texdraw_png_size,
datatoc_vertexdraw_png_size,
};
static const int flags = IB_rect|IB_multilayer|IB_metadata;
static const int default_icon = BRUSH_ICON_SCULPTDRAW;
char path[240];
char *folder;
if (!(brush->icon_imbuf)) {
if (brush->icon==BRUSH_ICON_FILE) {
if (brush->icon_filepath[0]) {
// first use the path directly to try and load the file
BLI_strncpy(path, brush->icon_filepath, sizeof(brush->icon_filepath));
BLI_path_abs(path, G.sce);
brush->icon_imbuf= IMB_loadiffname(path, flags);
// otherwise lets try to find it in other directories
if (!(brush->icon_imbuf)) {
folder= BLI_get_folder(BLENDER_DATAFILES, "brushicons");
path[0]= 0;
BLI_make_file_string(G.sce, path, folder, brush->icon_filepath);
if (path[0])
brush->icon_imbuf= IMB_loadiffname(path, flags);
}
}
// if all else fails use a default image
if (!(brush->icon_imbuf))
brush->icon_imbuf= IMB_ibImageFromMemory(icon_data[default_icon], icon_size[default_icon], flags);
}
else {
if (!(brush->icon_imbuf))
brush->icon_imbuf= IMB_ibImageFromMemory(icon_data[brush->icon], icon_size[brush->icon], flags);
}
BKE_icon_changed(BKE_icon_getid(&(brush->id)));
}
if (!(brush->icon_imbuf))
printf("get_brush_icon: unable to resolve brush icon imbuf\n");
return brush->icon_imbuf;
}
typedef struct ShaderPreview {
/* from wmJob */
void *owner;
short *stop, *do_update;
Scene *scene;
ID *id;
ID *parent;
MTex *slot;
int sizex, sizey;
unsigned int *pr_rect;
int pr_method;
} ShaderPreview;
/* unused now */
void draw_tex_crop(Tex *tex)
{
rcti rct;
int ret= 0;
if(tex==0) return;
if(tex->type==TEX_IMAGE) {
if(tex->cropxmin==0.0f) ret++;
if(tex->cropymin==0.0f) ret++;
if(tex->cropxmax==1.0f) ret++;
if(tex->cropymax==1.0f) ret++;
if(ret==4) return;
rct.xmin= PR_XMIN+2+tex->cropxmin*(PR_XMAX-PR_XMIN-4);
rct.xmax= PR_XMIN+2+tex->cropxmax*(PR_XMAX-PR_XMIN-4);
rct.ymin= PR_YMIN+2+tex->cropymin*(PR_YMAX-PR_YMIN-4);
rct.ymax= PR_YMIN+2+tex->cropymax*(PR_YMAX-PR_YMIN-4);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glColor3ub(0, 0, 0);
glRecti(rct.xmin+1, rct.ymin-1, rct.xmax+1, rct.ymax-1);
glColor3ub(255, 255, 255);
glRecti(rct.xmin, rct.ymin, rct.xmax, rct.ymax);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
/* temporal abuse; if id_code is -1 it only does texture.... solve! */
void BIF_preview_changed(short id_code)
{
#if 0
ScrArea *sa;
for(sa= G.curscreen->areabase.first; sa; sa= sa->next) {
if(sa->spacetype==SPACE_BUTS) {
SpaceButs *sbuts= sa->spacedata.first;
if(sbuts->mainb==CONTEXT_SHADING) {
int tab= sbuts->tab[CONTEXT_SHADING];
if(tab==TAB_SHADING_MAT && (id_code==ID_MA || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_TEX && (id_code==ID_TE || id_code==-1)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_LAMP && (id_code==ID_LA || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_WORLD && (id_code==ID_WO || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
}
else if (sbuts->ri)
sbuts->ri->curtile= 0; /* ensure changes always result in re-render when context is restored */
}
else if(sa->spacetype==SPACE_NODE) {
SpaceNode *snode= sa->spacedata.first;
if(snode->treetype==NTREE_SHADER && (id_code==ID_MA || id_code==ID_TE)) {
snode_tag_dirty(snode);
}
}
else if(sa->spacetype==SPACE_VIEW3D) {
View3D *vd= sa->spacedata.first;
/* if is has a renderinfo, we consider that reason for signalling */
if (vd->ri) {
vd->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
}
}
if(ELEM4(id_code, ID_MA, ID_TE, ID_LA, ID_WO)) {
Object *ob;
Material *ma;
if(id_code == ID_WO) {
for(ma=G.main->mat.first; ma; ma=ma->id.next) {
if(ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
}
else if(id_code == ID_LA) {
for(ob=G.main->object.first; ob; ob=ob->id.next) {
if(ob->gpulamp.first) {
GPU_lamp_free(ob);
}
}
for(ma=G.main->mat.first; ma; ma=ma->id.next) {
if(ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
} else if(OBACT) {
Object *ob = OBACT;
ma= give_current_material(ob, ob->actcol);
if(ma && ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
}
#endif
}
/* *************************** Preview for buttons *********************** */
static Main *pr_main= NULL;
void ED_preview_init_dbase(void)
{
BlendFileData *bfd;
extern int datatoc_preview_blend_size;
extern char datatoc_preview_blend[];
G.fileflags |= G_FILE_NO_UI;
bfd= BLO_read_from_memory(datatoc_preview_blend, datatoc_preview_blend_size, NULL);
if (bfd) {
pr_main= bfd->main;
MEM_freeN(bfd);
}
G.fileflags &= ~G_FILE_NO_UI;
}
void ED_preview_free_dbase(void)
{
if(pr_main)
free_main(pr_main);
}
static Object *find_object(ListBase *lb, const char *name)
{
Object *ob;
for(ob= lb->first; ob; ob= ob->id.next)
if(strcmp(ob->id.name+2, name)==0)
break;
return ob;
}
/* call this with a pointer to initialize preview scene */
/* call this with NULL to restore assigned ID pointers in preview scene */
static Scene *preview_prepare_scene(Scene *scene, ID *id, int id_type, ShaderPreview *sp)
{
Scene *sce;
Base *base;
if(pr_main==NULL) return NULL;
sce= pr_main->scene.first;
if(sce) {
/* this flag tells render to not execute depsgraph or ipos etc */
sce->r.scemode |= R_PREVIEWBUTS;
/* set world always back, is used now */
sce->world= pr_main->world.first;
/* now: exposure copy */
if(scene->world) {
sce->world->exp= scene->world->exp;
sce->world->range= scene->world->range;
}
sce->r.color_mgt_flag = scene->r.color_mgt_flag;
/* exception: don't color manage texture previews or icons */
if((sp && sp->pr_method==PR_ICON_RENDER) || id_type == ID_TE)
sce->r.color_mgt_flag &= ~R_COLOR_MANAGEMENT;
if((sp && sp->pr_method==PR_ICON_RENDER) && id_type != ID_WO)
sce->r.alphamode= R_ALPHAPREMUL;
else
sce->r.alphamode= R_ADDSKY;
sce->r.cfra= scene->r.cfra;
strcpy(sce->r.engine, scene->r.engine);
if(id_type==ID_MA) {
Material *mat= (Material *)id;
if(id) {
init_render_material(mat, 0, NULL); /* call that retrieves mode_l */
end_render_material(mat);
/* turn on raytracing if needed */
if(mat->mode_l & MA_RAYMIRROR)
sce->r.mode |= R_RAYTRACE;
if(mat->material_type == MA_TYPE_VOLUME)
sce->r.mode |= R_RAYTRACE;
if((mat->mode_l & MA_RAYTRANSP) && (mat->mode_l & MA_TRANSP))
sce->r.mode |= R_RAYTRACE;
if(mat->sss_flag & MA_DIFF_SSS)
sce->r.mode |= R_SSS;
/* turn off fake shadows if needed */
/* this only works in a specific case where the preview.blend contains
* an object starting with 'c' which has a material linked to it (not the obdata)
* and that material has a fake shadow texture in the active texture slot */
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='c') {
Material *shadmat= give_current_material(base->object, base->object->actcol);
if(shadmat) {
if (mat->mode & MA_SHADBUF) shadmat->septex = 0;
else shadmat->septex |= 1;
}
}
}
/* turn off bounce lights for volume,
* doesn't make much visual difference and slows it down too */
if(mat->material_type == MA_TYPE_VOLUME) {
for(base= sce->base.first; base; base= base->next) {
if(base->object->type == OB_LAMP) {
/* if doesn't match 'Lamp.002' --> main key light */
if( strcmp(base->object->id.name+2, "Lamp.002") != 0 ) {
base->object->restrictflag |= OB_RESTRICT_RENDER;
}
}
}
}
if(sp && sp->pr_method==PR_ICON_RENDER) {
if (mat->material_type == MA_TYPE_HALO) {
sce->lay= 1<<MA_FLAT;
}
else {
sce->lay= 1<<MA_SPHERE_A;
}
}
else {
sce->lay= 1<<mat->pr_type;
if(mat->nodetree && sp->pr_method==PR_NODE_RENDER)
ntreeInitPreview(mat->nodetree, sp->sizex, sp->sizey);
}
}
else {
sce->r.mode &= ~(R_OSA|R_RAYTRACE|R_SSS);
}
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='p') {
if(ELEM4(base->object->type, OB_MESH, OB_CURVE, OB_SURF, OB_MBALL)) {
/* don't use assign_material, it changed mat->id.us, which shows in the UI */
Material ***matar= give_matarar(base->object);
int actcol= MAX2(base->object->actcol > 0, 1) - 1;
if(matar && actcol < base->object->totcol)
(*matar)[actcol]= mat;
} else if (base->object->type == OB_LAMP) {
base->object->restrictflag &= ~OB_RESTRICT_RENDER;
}
}
}
}
else if(id_type==ID_TE) {
Tex *tex= (Tex *)id;
sce->lay= 1<<MA_TEXTURE;
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='t') {
Material *mat= give_current_material(base->object, base->object->actcol);
if(mat && mat->mtex[0]) {
mat->mtex[0]->tex= tex;
if(sp && sp->slot)
mat->mtex[0]->which_output = sp->slot->which_output;
/* show alpha in this case */
if(tex==NULL || (tex->flag & TEX_PRV_ALPHA)) {
mat->mtex[0]->mapto |= MAP_ALPHA;
mat->alpha= 0.0f;
}
else {
mat->mtex[0]->mapto &= ~MAP_ALPHA;
mat->alpha= 1.0f;
}
}
}
}
if(tex && tex->nodetree && sp && sp->pr_method==PR_NODE_RENDER)
ntreeInitPreview(tex->nodetree, sp->sizex, sp->sizey);
}
else if(id_type==ID_LA) {
Lamp *la= (Lamp *)id;
if(la && la->type==LA_SUN && (la->sun_effect_type & LA_SUN_EFFECT_SKY)) {
sce->lay= 1<<MA_ATMOS;
sce->world= scene->world;
sce->camera= (Object *)find_object(&pr_main->object, "CameraAtmo");
}
else {
sce->lay= 1<<MA_LAMP;
sce->world= NULL;
sce->camera= (Object *)find_object(&pr_main->object, "Camera");
}
sce->r.mode &= ~R_SHADOW;
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='p') {
if(base->object->type==OB_LAMP)
base->object->data= la;
}
}
}
else if(id_type==ID_WO) {
sce->lay= 1<<MA_SKY;
sce->world= (World *)id;
}
return sce;
}
return NULL;
}
/* new UI convention: draw is in pixel space already. */
/* uses ROUNDBOX button in block to get the rect */
static int ed_preview_draw_rect(ScrArea *sa, Scene *sce, ID *id, int split, int first, rcti *rect, rcti *newrect)
{
Render *re;
RenderResult rres;
char name[32];
int gamma_correct=0;
int offx=0, newx= rect->xmax-rect->xmin, newy= rect->ymax-rect->ymin;
if (id && GS(id->name) != ID_TE) {
/* exception: don't color manage texture previews - show the raw values */
if (sce) gamma_correct = sce->r.color_mgt_flag & R_COLOR_MANAGEMENT;
}
if(!split || first) sprintf(name, "Preview %p", sa);
else sprintf(name, "SecondPreview %p", sa);
if(split) {
if(first) {
offx= 0;
newx= newx/2;
}
else {
offx= newx/2;
newx= newx - newx/2;
}
}
re= RE_GetRender(name);
RE_AcquireResultImage(re, &rres);
if(rres.rectf) {
if(ABS(rres.rectx-newx)<2 && ABS(rres.recty-newy)<2) {
newrect->xmax= MAX2(newrect->xmax, rect->xmin + rres.rectx + offx);
newrect->ymax= MAX2(newrect->ymax, rect->ymin + rres.recty);
glaDrawPixelsSafe_to32(rect->xmin+offx, rect->ymin, rres.rectx, rres.recty, rres.rectx, rres.rectf, gamma_correct);
RE_ReleaseResultImage(re);
return 1;
}
}
RE_ReleaseResultImage(re);
return 0;
}
void ED_preview_draw(const bContext *C, void *idp, void *parentp, void *slotp, rcti *rect)
{
if(idp) {
ScrArea *sa= CTX_wm_area(C);
Scene *sce = CTX_data_scene(C);
ID *id = (ID *)idp;
ID *parent= (ID *)parentp;
MTex *slot= (MTex *)slotp;
SpaceButs *sbuts= sa->spacedata.first;
rcti newrect;
int ok;
int newx= rect->xmax-rect->xmin, newy= rect->ymax-rect->ymin;
newrect.xmin= rect->xmin;
newrect.xmax= rect->xmin;
newrect.ymin= rect->ymin;
newrect.ymax= rect->ymin;
if(parent) {
ok = ed_preview_draw_rect(sa, sce, parent, 1, 1, rect, &newrect);
ok &= ed_preview_draw_rect(sa, sce, id, 1, 0, rect, &newrect);
}
else
ok = ed_preview_draw_rect(sa, sce, id, 0, 0, rect, &newrect);
if(ok)
*rect= newrect;
/* check for spacetype... */
if(sbuts->spacetype==SPACE_BUTS && sbuts->preview) {
sbuts->preview= 0;
ok= 0;
}
if(ok==0) {
ED_preview_shader_job(C, sa, id, parent, slot, newx, newy, PR_BUTS_RENDER);
}
}
}
/* ******************************** Icon Preview **************************** */
void ED_preview_icon_draw(const bContext *C, void *idp, void *arg1, void *arg2, rcti *rect)
{
}
/* *************************** Preview for 3d window *********************** */
void view3d_previewrender_progress(RenderResult *rr, volatile rcti *renrect)
{
// ScrArea *sa= NULL; // XXX
// View3D *v3d= NULL; // XXX
RenderLayer *rl;
int ofsx=0, ofsy=0;
if(renrect) return;
rl= rr->layers.first;
/* this case is when we render envmaps... */
// if(rr->rectx > v3d->ri->pr_rectx || rr->recty > v3d->ri->pr_recty)
// return;
// ofsx= v3d->ri->disprect.xmin + rr->tilerect.xmin;
// ofsy= v3d->ri->disprect.ymin + rr->tilerect.ymin;
glDrawBuffer(GL_FRONT);
// glaDefine2DArea(&sa->winrct);
glaDrawPixelsSafe_to32(ofsx, ofsy, rr->rectx, rr->recty, rr->rectx, rl->rectf, 0);
bglFlush();
glDrawBuffer(GL_BACK);
}
void BIF_view3d_previewrender_signal(ScrArea *sa, short signal)
{
#if 0
View3D *v3d= sa->spacedata.first;
/* this can be called from other window... solve! */
if(sa->spacetype!=SPACE_VIEW3D)
return; // XXX
if(v3d && v3d->ri) {
RenderInfo *ri= v3d->ri;
ri->status &= ~signal;
ri->curtile= 0;
//printf("preview signal %d\n", signal);
if(ri->re && (signal & PR_DBASE))
RE_Database_Free(ri->re);
// addafterqueue(sa->win, RENDERPREVIEW, 1);
}
#endif
}
void BIF_view3d_previewrender_free(View3D *v3d)
{
#if 0
if(v3d->ri) {
RenderInfo *ri= v3d->ri;
if(ri->re) {
// printf("free render\n");
RE_Database_Free(ri->re);
RE_FreeRender(ri->re);
ri->re= NULL;
}
if (v3d->ri->rect) MEM_freeN(v3d->ri->rect);
MEM_freeN(v3d->ri);
v3d->ri= NULL;
}
#endif
}
/* returns 1 if OK, do not call while in panel space! */
static int view3d_previewrender_get_rects(ScrArea *sa, rctf *viewplane, RenderInfo *ri, float *clipsta, float *clipend, int *ortho, float *pixsize)
{
View3D *v3d= NULL; // XXX
RegionView3D *rv3d= NULL; // XXX
int rectx, recty;
// uiBlock *block;
// block= uiFindOpenPanelBlockName(&sa->uiblocks, "Preview");
// if(block==NULL) return 0;
/* calculate preview rect size */
// BLI_init_rctf(viewplane, 15.0f, (block->maxx - block->minx)-15.0f, 15.0f, (block->maxy - block->miny)-15.0f);
// uiPanelPush(block);
// ui_graphics_to_window_rct(sa->win, viewplane, &ri->disprect);
// uiPanelPop(block);
/* correction for gla draw */
// BLI_translate_rcti(&ri->disprect, -sa->winrct.xmin, -sa->winrct.ymin);
*ortho= get_view3d_viewplane(v3d, rv3d, sa->winx, sa->winy, viewplane, clipsta, clipend, pixsize);
rectx= ri->disprect.xmax - ri->disprect.xmin;
recty= ri->disprect.ymax - ri->disprect.ymin;
if(rectx<4 || recty<4) return 0;
if(ri->rect && (rectx!=ri->pr_rectx || recty!=ri->pr_recty)) {
MEM_freeN(ri->rect);
ri->rect= NULL;
ri->curtile= 0;
printf("changed size\n");
}
ri->pr_rectx= rectx;
ri->pr_recty= recty;
return 1;
}
/* called before a panel gets moved/scaled, makes sure we can see through */
void BIF_view3d_previewrender_clear(ScrArea *sa)
{
#if 0
View3D *v3d= sa->spacedata.first;
if(v3d->ri) {
RenderInfo *ri= v3d->ri;
ri->curtile= 0;
if(ri->rect)
MEM_freeN(ri->rect);
ri->rect= NULL;
}
#endif
}
/* afterqueue call */
void BIF_view3d_previewrender(Scene *scene, ScrArea *sa)
{
View3D *v3d= sa->spacedata.first;
RegionView3D *rv3d= NULL; // XXX
Render *re;
RenderInfo *ri=NULL; /* preview struct! */
RenderStats *rstats;
RenderData rdata;
rctf viewplane;
float clipsta, clipend, pixsize;
int orth;
/* first get the render info right */
// if (!v3d->ri) {
// ri= v3d->ri= MEM_callocN(sizeof(RenderInfo), "butsrenderinfo");
// ri->tottile= 10000;
// }
// ri= v3d->ri;
if(0==view3d_previewrender_get_rects(sa, &viewplane, ri, &clipsta, &clipend, &orth, &pixsize))
return;
/* render is finished, so return */
if(ri->tottile && ri->curtile>=ri->tottile) return;
/* or return with a new event */
if(qtest()) {
// addafterqueue(sa->win, RENDERPREVIEW, 1);
return;
}
//printf("Enter previewrender\n");
/* ok, are we rendering all over? */
if(ri->re==NULL) {
char name[32];
ri->status= 0;
sprintf(name, "View3dPreview %p", sa);
re= ri->re= RE_NewRender(name);
//RE_display_draw_cb(re, view3d_previewrender_progress);
//RE_stats_draw_cb(re, view3d_previewrender_stats);
//RE_test_break_cb(re, qtest);
/* no osa, blur, seq, layers, etc for preview render */
rdata= scene->r;
rdata.mode &= ~(R_OSA|R_MBLUR);
rdata.scemode &= ~(R_DOSEQ|R_DOCOMP|R_FREE_IMAGE);
rdata.layers.first= rdata.layers.last= NULL;
rdata.renderer= R_INTERN;
RE_InitState(re, NULL, &rdata, NULL, sa->winx, sa->winy, &ri->disprect);
if(orth)
RE_SetOrtho(re, &viewplane, clipsta, clipend);
else
RE_SetWindow(re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
/* until here are no escapes */
ri->status |= PR_DISPRECT;
ri->curtile= 0;
//printf("new render\n");
}
re= ri->re;
PIL_sleep_ms(100); /* wait 0.1 second if theres really no event... */
if(qtest()==0) {
/* check status */
if((ri->status & PR_DISPRECT)==0) {
RE_SetDispRect(ri->re, &ri->disprect);
if(orth)
RE_SetOrtho(ri->re, &viewplane, clipsta, clipend);
else
RE_SetWindow(ri->re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
ri->status |= PR_DISPRECT;
ri->curtile= 0;
//printf("disprect update\n");
}
if((ri->status & PR_DBASE)==0) {
unsigned int lay= scene->lay;
RE_SetView(re, rv3d->viewmat);
/* allow localview render for objects with lights in normal layers */
if(v3d->lay & 0xFF000000)
lay |= v3d->lay;
else lay= v3d->lay;
RE_Database_FromScene(re, scene, lay, 0); // 0= dont use camera view
rstats= RE_GetStats(re);
if(rstats->convertdone)
ri->status |= PR_DBASE|PR_PROJECTED|PR_ROTATED;
ri->curtile= 0;
/* database can have created render-resol data... */
if(rstats->convertdone)
DAG_scene_flush_update(scene, scene->lay, 0);
//printf("dbase update\n");
}
if((ri->status & PR_PROJECTED)==0) {
if(ri->status & PR_DBASE) {
if(orth)
RE_SetOrtho(ri->re, &viewplane, clipsta, clipend);
else
RE_SetWindow(ri->re, &viewplane, clipsta, clipend);
RE_DataBase_ApplyWindow(re);
ri->status |= PR_PROJECTED;
}
ri->curtile= 0;
//printf("project update\n");
}
/* OK, can we enter render code? */
if(ri->status==(PR_DISPRECT|PR_DBASE|PR_PROJECTED|PR_ROTATED)) {
//printf("curtile %d tottile %d\n", ri->curtile, ri->tottile);
RE_TileProcessor(ri->re); //, ri->curtile, 0);
if(ri->rect==NULL)
ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "preview view3d rect");
RE_ResultGet32(ri->re, ri->rect);
}
rstats= RE_GetStats(ri->re);
// if(rstats->totpart==rstats->partsdone && rstats->partsdone)
// addqueue(sa->win, REDRAW, 1);
// else
// addafterqueue(sa->win, RENDERPREVIEW, 1);
ri->curtile= rstats->partsdone;
ri->tottile= rstats->totpart;
}
else {
// addafterqueue(sa->win, RENDERPREVIEW, 1);
}
//printf("\n");
}
/* in panel space! */
static void view3d_previewdraw_rect(ScrArea *sa, uiBlock *block, RenderInfo *ri)
{
// rctf dispf;
if(ri->rect==NULL)
return;
// BLI_init_rctf(&dispf, 15.0f, (block->maxx - block->minx)-15.0f, 15.0f, (block->maxy - block->miny)-15.0f);
// ui_graphics_to_window_rct(sa->win, &dispf, &ri->disprect);
/* correction for gla draw */
// BLI_translate_rcti(&ri->disprect, -sa->winrct.xmin, -sa->winrct.ymin);
/* when panel scale changed, free rect */
if(ri->disprect.xmax-ri->disprect.xmin != ri->pr_rectx ||
ri->disprect.ymax-ri->disprect.ymin != ri->pr_recty) {
MEM_freeN(ri->rect);
ri->rect= NULL;
}
else {
// glaDefine2DArea(&sa->winrct);
glaDrawPixelsSafe(ri->disprect.xmin, ri->disprect.ymin, ri->pr_rectx, ri->pr_recty, ri->pr_rectx, GL_RGBA, GL_UNSIGNED_BYTE, ri->rect);
}
}
/* is panel callback, supposed to be called with correct panel offset matrix */
void BIF_view3d_previewdraw(struct ScrArea *sa, struct uiBlock *block)
{
RegionView3D *rv3d= NULL;
// if (v3d->ri==NULL || v3d->ri->rect==NULL)
// addafterqueue(sa->win, RENDERPREVIEW, 1);
// else {
view3d_previewdraw_rect(sa, block, rv3d->ri);
// if(v3d->ri->curtile==0)
// addafterqueue(sa->win, RENDERPREVIEW, 1);
// }
}
/* **************************** new shader preview system ****************** */
/* inside thread, called by renderer, sets job update value */
static void shader_preview_draw(void *spv, RenderResult *rr, volatile struct rcti *rect)
{
ShaderPreview *sp= spv;
*(sp->do_update)= 1;
}
/* called by renderer, checks job value */
static int shader_preview_break(void *spv)
{
ShaderPreview *sp= spv;
return *(sp->stop);
}
/* outside thread, called before redraw notifiers, it moves finished preview over */
static void shader_preview_updatejob(void *spv)
{
// ShaderPreview *sp= spv;
}
static void shader_preview_render(ShaderPreview *sp, ID *id, int split, int first)
{
Render *re;
Scene *sce;
float oldlens;
short idtype= GS(id->name);
char name[32];
int sizex;
/* get the stuff from the builtin preview dbase */
sce= preview_prepare_scene(sp->scene, id, idtype, sp); // XXX sizex
if(sce==NULL) return;
if(!split || first) sprintf(name, "Preview %p", sp->owner);
else sprintf(name, "SecondPreview %p", sp->owner);
re= RE_GetRender(name);
/* full refreshed render from first tile */
if(re==NULL)
re= RE_NewRender(name);
/* sce->r gets copied in RE_InitState! */
sce->r.scemode &= ~(R_MATNODE_PREVIEW|R_TEXNODE_PREVIEW);
sce->r.scemode &= ~R_NO_IMAGE_LOAD;
if(sp->pr_method==PR_ICON_RENDER) {
sce->r.scemode |= R_NO_IMAGE_LOAD;
sce->r.mode |= R_OSA;
}
else if(sp->pr_method==PR_NODE_RENDER) {
if(idtype == ID_MA) sce->r.scemode |= R_MATNODE_PREVIEW;
else if(idtype == ID_TE) sce->r.scemode |= R_TEXNODE_PREVIEW;
sce->r.mode |= R_OSA;
}
else { /* PR_BUTS_RENDER */
sce->r.mode |= R_OSA;
}
/* in case of split preview, use border render */
if(split) {
if(first) sizex= sp->sizex/2;
else sizex= sp->sizex - sp->sizex/2;
}
else sizex= sp->sizex;
/* allocates or re-uses render result */
sce->r.xsch= sizex;
sce->r.ysch= sp->sizey;
sce->r.size= 100;
/* callbacs are cleared on GetRender() */
if(ELEM(sp->pr_method, PR_BUTS_RENDER, PR_NODE_RENDER)) {
RE_display_draw_cb(re, sp, shader_preview_draw);
RE_test_break_cb(re, sp, shader_preview_break);
}
/* lens adjust */
oldlens= ((Camera *)sce->camera->data)->lens;
if(sizex > sp->sizey)
((Camera *)sce->camera->data)->lens *= (float)sp->sizey/(float)sizex;
/* entire cycle for render engine */
RE_PreviewRender(re, sce);
((Camera *)sce->camera->data)->lens= oldlens;
/* handle results */
if(sp->pr_method==PR_ICON_RENDER) {
if(sp->pr_rect)
RE_ResultGet32(re, sp->pr_rect);
}
else {
/* validate owner */
//if(ri->rect==NULL)
// ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "BIF_previewrender");
//RE_ResultGet32(re, ri->rect);
}
/* unassign the pointers, reset vars */
preview_prepare_scene(sp->scene, NULL, GS(id->name), NULL);
}
/* runs inside thread for material and icons */
static void shader_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
sp->stop= stop;
sp->do_update= do_update;
if(sp->parent) {
shader_preview_render(sp, sp->parent, 1, 1);
shader_preview_render(sp, sp->id, 1, 0);
}
else
shader_preview_render(sp, sp->id, 0, 0);
*do_update= 1;
}
static void shader_preview_free(void *customdata)
{
ShaderPreview *sp= customdata;
MEM_freeN(sp);
}
/* ************************* icon preview ********************** */
static void icon_copy_rect(ImBuf *ibuf, unsigned int w, unsigned int h, unsigned int *rect)
{
struct ImBuf *ima;
unsigned int *drect, *srect;
float scaledx, scaledy;
short ex, ey, dx, dy;
/* paranoia test */
if(ibuf==NULL || (ibuf->rect==NULL && ibuf->rect_float==NULL))
return;
/* waste of cpu cyles... but the imbuf API has no other way to scale fast (ton) */
ima = IMB_dupImBuf(ibuf);
if (!ima)
return;
if (ima->x > ima->y) {
scaledx = (float)w;
scaledy = ( (float)ima->y/(float)ima->x )*(float)w;
}
else {
scaledx = ( (float)ima->x/(float)ima->y )*(float)h;
scaledy = (float)h;
}
ex = (short)scaledx;
ey = (short)scaledy;
dx = (w - ex) / 2;
dy = (h - ey) / 2;
IMB_scalefastImBuf(ima, ex, ey);
/* if needed, convert to 32 bits */
if(ima->rect==NULL)
IMB_rect_from_float(ima);
srect = ima->rect;
drect = rect;
drect+= dy*w+dx;
for (;ey > 0; ey--){
memcpy(drect,srect, ex * sizeof(int));
drect += w;
srect += ima->x;
}
IMB_freeImBuf(ima);
}
static void set_alpha(char *cp, int sizex, int sizey, char alpha)
{
int a, size= sizex*sizey;
for(a=0; a<size; a++, cp+=4)
cp[3]= alpha;
}
static void icon_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
ID *id= sp->id;
short idtype= GS(id->name);
if(idtype == ID_IM) {
Image *ima= (Image*)id;
ImBuf *ibuf= NULL;
ImageUser iuser;
/* ima->ok is zero when Image cannot load */
if(ima==NULL || ima->ok==0)
return;
/* setup dummy image user */
memset(&iuser, 0, sizeof(ImageUser));
iuser.ok= iuser.framenr= 1;
iuser.scene= sp->scene;
/* elubie: this needs to be changed: here image is always loaded if not
already there. Very expensive for large images. Need to find a way to
only get existing ibuf */
ibuf = BKE_image_get_ibuf(ima, &iuser);
if(ibuf==NULL || ibuf->rect==NULL)
return;
icon_copy_rect(ibuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update= 1;
}
else if(idtype == ID_BR) {
Brush *br= (Brush*)id;
br->icon_imbuf= get_brush_icon(br);
if(!(br->icon_imbuf) || !(br->icon_imbuf->rect))
return;
memset(sp->pr_rect, 0x888888, sp->sizex*sp->sizey*sizeof(unsigned int));
icon_copy_rect(br->icon_imbuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update= 1;
}
else {
/* re-use shader job */
shader_preview_startjob(customdata, stop, do_update);
/* world is rendered with alpha=0, so it wasn't displayed
this could be render option for sky to, for later */
if(idtype == ID_WO) {
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
else if(idtype == ID_MA) {
Material* ma = (Material*)id;
if(ma->material_type == MA_TYPE_HALO)
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
}
}
/* use same function for icon & shader, so the job manager
does not run two of them at the same time. */
static void common_preview_startjob(void *customdata, short *stop, short *do_update, float *progress)
{
ShaderPreview *sp= customdata;
if(sp->pr_method == PR_ICON_RENDER)
icon_preview_startjob(customdata, stop, do_update);
else
shader_preview_startjob(customdata, stop, do_update);
}
static void common_preview_endjob(void *customdata)
{
ShaderPreview *sp= customdata;
if(sp->id && GS(sp->id->name) == ID_BR)
WM_main_add_notifier(NC_BRUSH|NA_EDITED, sp->id);
}
/* exported functions */
void ED_preview_icon_job(const bContext *C, void *owner, ID *id, unsigned int *rect, int sizex, int sizey)
{
wmJob *steve;
ShaderPreview *sp;
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), owner, "Icon Preview", WM_JOB_EXCL_RENDER);
sp= MEM_callocN(sizeof(ShaderPreview), "shader preview");
/* customdata for preview thread */
sp->scene= CTX_data_scene(C);
sp->owner= id;
sp->sizex= sizex;
sp->sizey= sizey;
sp->pr_method= PR_ICON_RENDER;
sp->pr_rect= rect;
sp->id = id;
/* setup job */
WM_jobs_customdata(steve, sp, shader_preview_free);
WM_jobs_timer(steve, 0.1, NC_MATERIAL, NC_MATERIAL);
WM_jobs_callbacks(steve, common_preview_startjob, NULL, NULL, common_preview_endjob);
WM_jobs_start(CTX_wm_manager(C), steve);
}
void ED_preview_shader_job(const bContext *C, void *owner, ID *id, ID *parent, MTex *slot, int sizex, int sizey, int method)
{
wmJob *steve;
ShaderPreview *sp;
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), owner, "Shader Preview", WM_JOB_EXCL_RENDER);
sp= MEM_callocN(sizeof(ShaderPreview), "shader preview");
/* customdata for preview thread */
sp->scene= CTX_data_scene(C);
sp->owner= owner;
sp->sizex= sizex;
sp->sizey= sizey;
sp->pr_method= method;
sp->id = id;
sp->parent= parent;
sp->slot= slot;
/* setup job */
WM_jobs_customdata(steve, sp, shader_preview_free);
WM_jobs_timer(steve, 0.1, NC_MATERIAL, NC_MATERIAL);
WM_jobs_callbacks(steve, common_preview_startjob, NULL, shader_preview_updatejob, NULL);
WM_jobs_start(CTX_wm_manager(C), steve);
}
void ED_preview_kill_jobs(const struct bContext *C)
{
wmWindowManager *wm= CTX_wm_manager(C);
if(wm)
WM_jobs_kill(wm, NULL, common_preview_startjob);
}
|